Method for preparing high nitrogen and nickel-less austenitic stainless steel

Method for preparing high nitrogen and nickel-less austenitic stainless steel

CN
  • CN 101,285,148 A
  • Filed: 06/04/2008
  • Published: 10/15/2008
  • Est. Priority Date: 06/04/2008
  • Status: Active Application
First Claim
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1. , a kind of method of under normal pressure, making high nitrogen and nickel-less austenitic stainless steel, it is characterized in that little carbon Cr-Mn basis molten steel that refining is to be cast adds high nitrogen alloy fast before cast or in the cast, and carry out short mix and stir, fast will thisly contain molten steel not molten or the slightly soluble high nitrogen alloy again and be cast into steel, again by thermal distortion processing and solution treatment the decomposition of the high nitrogen alloy in the steel, solid solution in austenite.

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